<head>
  <style>
    .carousel {
      width: 500px;
      height: 280px;
      overflow: hidden;
      white-space: nowrap;
    }
    .carousel>div {
      display: inline-block;
      width: 500px;
      height: 280px;
      background-size: contain;
      transition: ease 0.5s;
    }
  </style>
</head>
<body>
  <script src="./main.js"></script>
</body>